<template>
  <section>
    <!--工具条 高级查询 新增和修改-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="keywordQuery" v-perm="'department:list'">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd" v-perm="'department:save'">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>



    <!--
      :data="departments" - 绑定数据
      highlight-current-row - 当前行高亮
      v-loading="listLoading" - 加载框 = 盲等框
      @selection-change="selsChange" - 选中事件
    -->
    <!--列表 删除-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading"
              @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="120" sortable>
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="120" sortable>
      </el-table-column>
      <el-table-column prop="dirPath" label="部门路径" width="120" sortable>
      </el-table-column>
      <el-table-column prop="state" label="状态" width="120" sortable>
        <template scope="scope">
          <span v-if="scope.row.state==1" style="color: blue">启用</span>
          <span v-else style="color: red">禁用</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门经理" min-width="120" sortable>
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" min-width="120" sortable>
      </el-table-column>
      <el-table-column label="操作">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)" v-perm="'department:save'">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)" v-perm="'department:delete'">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条：批量删除和分页栏-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next"
                     @current-change="handleCurrentChange"
                     :current-page="currentPage" :page-size="pageSize" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--
      :title="title"  - 标题
      :visible.sync="saveFormVisible" - 是否显示对画框 - 默认不显示
      :close-on-click-modal="false" - 在对话框外面点击不关闭

      :model="saveForm"  -  绑定表单
      label-width="80px" -
      :rules="saveFormRules" - 表单的验证规则
      ref="saveForm" - 为当前对话框取名 - 方便验证表单
    -->
    <!--新增或修改界面-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="100px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="saveForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="saveForm.sn" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="部门状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="部门经理">
          <!--<el-input v-model="saveForm.manager_id"></el-input>-->
          <el-select v-model="saveForm.manager_id" clearable placeholder="请选择">
            <el-option
                v-for="item in managers"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="上级部门">
          <!--<el-input v-model="saveForm.parent_id"></el-input>-->
          <!--
            v-model="saveForm.parent_id" -- 双向绑定数据 -- 做回显 --  传值
            :options="deptTree" -- 需要回显的数据
            label:'name', -- 级联框显示的属性
            value:'id' -- 传递数据
            clearable -- 可清理的
          -->
          <el-cascader v-model="saveForm.parent_id"
              :options="deptTree"
              :props="{ checkStrictly: true,
              label:'name',
              value:'id'
              }" clearable>
          </el-cascader>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import {getDepartmentListPage, removeDepartment, batchRemoveDepartment, editDepartment, addDepartment} from '../../api/api';

export default {
  //定义模型数据
  data() {
    return {
      //1.数据列表相关模型数据
      departments: [], //列表数据
      listLoading: false, //加载框 - 默认不显示

      //2.分页查询数据
      totals: 0,
      currentPage: 1,
      pageSize: 5,

      //3.高级查询数据
      keyword: '',

      //4.批量删除
      sels: [],//列表选中列

      //5.添加或修改
      title: '', //标题
      saveFormVisible: false,//添加和修改对话框是否显示
      saveLoading: false,  //保存的忙等框 - 在提交按钮上
      saveFormRules: {     //表单项验证规则
        name: [
          {required: true, message: '请输入部门名称', trigger: 'blur'}
        ],
        sn: [
          {required: true, message: '请输入部门编号', trigger: 'blur'}
        ]
      },
      //编辑界面数据 ：建议字符串用''，id用null
      saveForm: {
        id: null,
        sn: '',
        name: '',
        state: 1,
        manager_id: null,
        parent_id: null
      },

      //6.部门经理处理 -- 查询所有经理
      managers:[],


      //7.上级部门处理 -- 获取部门数
      deptTree:[]
    }
  },

  //定义方法
  methods: {
    //1.获取用户列表
    getDepartments() {
      let para = {
        "currentPage": this.currentPage,
        "pageSize": this.pageSize,
        //高级查询 -- 关键字查询
        "keyword": this.keyword
      };
      //显示加载框
      this.listLoading = true;
      this.$http.post("/department", para).then(res => {
        //关闭加载框
        this.listLoading = false;
        //显示分页数据
        this.departments = res.data.data;
        //计算分页栏
        this.totals = res.data.totals;
      }).catch(res => {
        this.$message.error('网络繁忙,请稍后重试');
      })
    },

    //2.点击当前页的逻辑
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },

    //3.关键字查询
    keywordQuery() {
      this.currentPage = 1;
      this.getDepartments();
    },


    //4.删除功能
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {//确认框
        type: 'warning'
      }).then(() => { //点击确认的时候
        this.listLoading = true;//开启加载框
        this.$http.delete("/department/" + row.id).then(res => {
          this.listLoading = false; //关闭加载框
          if (res.data.success) { //成功
            this.$message.success("删除成功");
            //对当前页的处理
            let totalPage = Math.ceil(this.totals / this.pageSize); //算出总页数
            //如果当前页是最后一页         并且  并且是最后一条数据              并且  不是第一页
            if (this.currentPage == totalPage && (this.totals - 1) % this.pageSize == 0 && this.currentPage != 1) {
              //当前页 = 当前页-1(上一页)
              this.currentPage = this.currentPage - 1;
            }
            //再次调用
            this.getDepartments();
          } else {
            this.$message.error("网络繁忙,请稍后重试【500】");
          }
        }).catch(res => {
          this.$message.error("网络繁忙,请稍后重试【400,404】");
        })
      }).catch(() => { //点击取消的时候
      });
    },

    //5.选项改变时触发
    selsChange: function (sels) {
      this.sels = sels;
    },

    //6.批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {//点击确认时
        //开启加载框
        this.listLoading = true;
        this.$http.patch("/department", ids).then(res => {
          //关闭加载框
          this.listLoading = false;
          if (res.data.success) {//删除成功
            //弹出成功信息
            this.$message.success("删除成功");
            //重置到第一页
            this.currentPage = 1;
            //重新获取新数据
            this.getDepartments();
          } else {
            this.$message.error("网络繁忙,请稍后重试【500】");
          }
        }).catch(res => {
          this.$message.error("网络繁忙,请稍后重试【400,404】");
        })
      }).catch(() => { //点击取消时
      });
    },


    //7.显示编辑界面
    handleEdit: function (index, row) {
      this.title = "修改";
      //回显数据：避免以前的数据发生改变
      this.saveForm = Object.assign({}, row);
      //调用方法 -- 查询所有经理
      this.getManager();
      //调用方法 -- 查询部门数
      this.getDeptTree();
      //显示对话框
      this.saveFormVisible = true;
    },


    //8.显示新增界面
    handleAdd: function () {
      this.title = "新增";
      this.saveForm = {
        id: null,
        sn: '',
        name: '',
        state: 1,
        manager_id: null,
        parent_id: null
      };
      //调用方法 -- 查询所有经理
      this.getManager();
      //调用方法 -- 查询部门数
      this.getDeptTree();
      //显示对话框
      this.saveFormVisible = true;
    },

    //9.新增或修改
    saveSubmit: function () {
      //所有的对话框中 的 名称为saveForm的对话框  验证上面的表单项验证通过就返回true
      this.$refs.saveForm.validate((valid) => { //表单验证
        if (valid) {//表单验证通过
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            //开启加载框
            this.saveLoading = true;
            let para = Object.assign({}, this.saveForm);

            let arr = para.parent_id;
            if (arr && arr.length > 0){
              para.parent_id = arr[arr.length-1];
            }else if (arr && arr.length == 0){
              para.parent_id = null;
            }


            this.$http.put("/department", para).then(res => {
              //关闭忙等框
              this.saveLoading = false;
              //关闭对话框
              this.saveFormVisible = false;
              if (res.data.success) {
                //弹出成功信息
                this.$message.success("操作成功");
                //重新获取新的数据
                this.getDepartments();
              } else {
                this.$message.error("网络繁忙，请稍后重试!!!【500】")
              }
            }).catch(res => {
              this.$message.error("网络繁忙，请稍后重试!!!【400,404】")
            })
          });
        }
      });
    },

    //10.查询所有的经理
    getManager(){
      this.$http.get("/employee").then(res=>{
        this.managers = res.data;
      })
    },

    //11.查询部门数
    //获取部门树 - 无线级联
    getDeptTree(){
      this.$http.get("/department/deptTree").then(res =>{
        this.deptTree = res.data;
      })
    }
  },

  //页面加载完成就执行
  mounted() {
    this.getDepartments();
  }
}

</script>

<style scoped>

</style>